Pseudobatos productus

Superorder: Batoidea

Subclass: Elasmobranchii

Order: Rhinopristiformes

Family: Rhinobatidae

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External references for this species:

IUCN Red List
Species Regulated by International Treaties

CITES: Appendix II (2022)

Traits

Growth

Name Value Standard ValueType Sex Location Reference
Linf 136.69 cm raw_value Female Baja California peninsula downtonhoffmann2007
Linf 100.5 cm raw_value Male Baja California peninsula downtonhoffmann2007
Linf 153.73 cm raw_value Female Baja California peninsula downtonhoffmann2007
Linf 100.2 cm raw_value Male Baja California peninsula downtonhoffmann2007
Linf 135.8 cm raw_value Female Baja California peninsula downtonhoffmann2007
Linf 94.04 cm raw_value Male Baja California peninsula downtonhoffmann2007
Linf 0.31 cm raw_value Female Baja California peninsula downtonhoffmann2007
Linf 0.54 cm raw_value Male Baja California peninsula downtonhoffmann2007
k 0.166 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
k 0.24 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
k 0.11 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
k 0.224 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
k 0.22 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
k 0.38 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
k 4.22 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
k 2.16 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
t0 -0.83 Year raw_value Female Baja California peninsula downtonhoffmann2007
t0 -0.83 Year raw_value Male Baja California peninsula downtonhoffmann2007
t0 -1.14 Year raw_value Female Baja California peninsula downtonhoffmann2007
t0 -0.86 Year raw_value Male Baja California peninsula downtonhoffmann2007
t0 2.64 Year raw_value Female Baja California peninsula downtonhoffmann2007
t0 1.19 Year raw_value Male Baja California peninsula downtonhoffmann2007
t0 129.99 Year raw_value Female Baja California peninsula downtonhoffmann2007
t0 91.66 Year raw_value Male Baja California peninsula downtonhoffmann2007

Length

Name Value Standard ValueType Sex Location Reference
Length at first maturity 87 cm TL raw_value Female Baja California peninsula downtonhoffmann2007
Length at first maturity 80 cm TL raw_value Male Baja California peninsula downtonhoffmann2007
Lmat50 100 cm TL raw_value Female Baja California peninsula downtonhoffmann2007
Lbirth 19.1 cm TL raw_value Pooled Baja California peninsula downtonhoffmann2007
Lbirth 20 cm TL mean Female Baja California peninsula downtonhoffmann2007
Lmat50 57 cm TL raw_value Female Gulf of California marquezfarias2007
Lmat50 55 cm TL raw_value Male Gulf of California marquezfarias2007
Length at maternity 57 cm TL raw_value Female Gulf of California marquezfarias2007
Lbirth 17.5 cm TL raw_value Pooled Gulf of California marquezfarias2007

Relationships

Name Value Standard ValueType Sex Location Reference
a 1.8e-06 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
b 3.165 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
a 3.5e-06 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
b 2.999 Coefficient raw_value Male Baja California peninsula downtonhoffmann2007
a 5.76e-06 Coefficient raw_value Female Gulf of California marquezfarias2007
b 3.43 Coefficient raw_value Female Gulf of California marquezfarias2007
a 8.07e-06 Coefficient raw_value Male Gulf of California marquezfarias2007
b 3.34 Coefficient raw_value Male Gulf of California marquezfarias2007

Demography

Name Value Standard ValueType Sex Location Reference
Natural mortality 0.24 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
Natural mortality 0.25 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
Natural mortality 0.27 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
Natural mortality 0.26 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
Natural mortality 0.3 Coefficient raw_value Female Baja California peninsula downtonhoffmann2007
Total mortality 0.33 Coefficient raw_value Unspecified Baja California peninsula downtonhoffmann2007
Total mortality 0.36 Coefficient raw_value Unspecified Baja California peninsula downtonhoffmann2007

Reproduction

Name Value Standard ValueType Sex Location Reference
Breeding July-August Month raw_value Female Baja California peninsula downtonhoffmann2007
Ovulation August Month raw_value Female Baja California peninsula downtonhoffmann2007
Parturition July-August Month raw_value Female Baja California peninsula downtonhoffmann2007
Gestation length 3 Month raw_value Female Baja California peninsula downtonhoffmann2007
Breeding interval 1 Month raw_value Female Baja California peninsula downtonhoffmann2007
Uterine fecundity 9 n mean Female Baja California peninsula downtonhoffmann2007
Embryonic sex ratio 1.065:1 n Female Baja California peninsula downtonhoffmann2007
Max oviducal width 15 mm raw_value Female Gulf of California marquezfarias2007
Max uterine width 49 mm raw_value Female Gulf of California marquezfarias2007
Parturition June-October Month Female Gulf of California marquezfarias2007
Gestation length 12 Month Female Gulf of California marquezfarias2007
Uterine fecundity 5 n mean Female Gulf of California marquezfarias2007
Uterine fecundity 5 n mean Female Gulf of California marquezfarias2007
Uterine fecundity 10 n mean Female Baja California peninsula villavicenciogarayzar1993a
Embryonic sex ratio 1 n raw_value Female Baja California peninsula villavicenciogarayzar1993a
Breeding interval 1 Year raw_value Female Baja California peninsula villavicenciogarayzar1993a
Reproductive mode Trophonemata Category Female Baja California peninsula villavicenciogarayzar1993a

Contributors to the data of this species

  • egarcia
  • lsaldana